I'm curious about that note. Like how was is at all possible Snape didn't see it doing back and forth? That must have required a fancy bit of wand work. Or maybe he just didn't care...

Ah, Ginny. If I was in that situation, and my friend was a guy pressuring me, it would lead to blows if he didn't stop... I love being a guy! But, seriously, that is rather absent minded of Hermione. Maybe if she could stop thinking about Pansy for a moment she'd have remembered to dispose of the note.